John Herbert Dudley Ryder, 5th Earl of Harrowby, briefly known as Viscount Sandon from March to December 1900, was a British hereditary peer and Conservative Member of Parliament.
Lord Harrowby died on 30 March 1956, only three days after his wife, at the age of 91. He was succeeded in the earldom and other titles by his only son, Dudley.. ==References==